Unit 15 Get to the ROOT of it!.

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Presentation transcript:

Unit 15 Get to the ROOT of it!

ROOTS Root Meaning Origin non/nov nine Latin ten Greek cent hundred deci/deca ten Greek cent hundred

November—the eleventh month of the year; formerly the ninth November used to be the ninth month of the year, before July and August were added to the calendar; now it is the eleventh month.

nonagon—a nine-sided polygon If you add one more side to an octagon, you will make a nonagon.

decade—a period of ten years A decade had passed and we couldn’t believe we were already having our ten-year high school reunion.

decimeter—one tenth of a meter; ten centimeters The cell phone measured about one decimeter long.

decimal—based on the number 10 Decimal numbers are less than one whole, but like whole numbers they follow the same base ten pattern.

century—a period of 100 years The church, built in 1913, was more than a century old.

percent—one part in a hundred; an amount that is equal to one one-hundredth of something. Twenty percent of the students signed up for ceramics class.

centigrade—relating to the temperature scale in which the boiling point of water is at 100 degrees and the freezing point of water is at 0 degrees If it is 34 degrees centigrade than it’s about 90 degrees Fahrenheit.

centurion —an officer in the ancient Roman army, which originally had one hundred men He was chosen to be a centurion because of his strength and his skills for using a sword.

centimeter—a length equal to 1/100 meter; ten millimeters An inch is equal to about two and a half centimeters.